A057886 - cp's OEIS frontend

A057886 Number of integer 4-tuples that give the lengths of the sides of a nondegenerate quadrilateral with perimeter n.

n	a(n)
1	0
2	0
3	0
4	1
5	1
6	2
7	3
8	5
9	7
10	9
11	13
12	16
13	22
14	25
15	34
16	38
17	50
18	54
19	70
20	75
21	95
22	100
23	125
24	131
25	161
26	167
27	203
28	210
29	252
30	259
31	308
32	316
33	372
34	380
35	444
36	453
37	525
38	534
39	615
40	625
41	715
42	725
43	825
44	836
45	946
46	957
47	1078
48	1090
49	1222
50	1234
51	1378
52	1391
53	1547
54	1560
55	1729
56	1743

[0, 0, 0, 1, 1, 2, 3, 5, 7, 9, 13, 16, 22, 25, 34, 38, 50, 54, 70, 75, 95, 100, 125, 131, 161, 167, 203, 210, 252, 259, 308, 316, 372, 380, 444, 453, 525, 534, 615, 625, 715, 725, 825, 836, 946, 957, 1078, 1090, 1222, 1234, 1378, 1391, 1547, 1560, 1729, 1743]

cp's OEIS Frontend

A057886 Number of integer 4-tuples that give the lengths of the sides of a nondegenerate quadrilateral with perimeter n.

Table of values

List of values